Home / 17,810.30-26,704.64-12,257.53

Finding the Fourth Proportional to 17,810.30, 26,704.64 and 12,257.53

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Solution

The fourth proportional to 17,810.30, 26,704.64 and 12,257.53 is: 18,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,810.30 : 26,704.64 = 12,257.53 : x
  2. Step 2: Convert to fraction form
    17,810.30/26,704.64 = 12,257.53/x
  3. Step 3: Cross multiply
    17,810.30x = 26,704.64 × 12,257.53
  4. Step 4: Simplify right side
    17,810.30x = 327,332,889.82
  5. Step 5: Solve for x
    x = 327,332,889.82/17,810.30
  6. Step 6: Final answer
    x = 18,378.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.